Got a Boat or Utility Trailer needing a replacement set-up thats going to last? Try the advanced progressive design of a bias ply tire, mounted on a sturdy, hot-dipped, galvanized rim. The ST205/75D15 Tire on a 15 in Galvanized Trailer Wheel features a carrying capacity of 1820 per tire, perfect for single axle trailers or for beefing up that tandem axle trailer. Tire Specs: Load Range C Side Width 7.7 Overall diameter 27.4 Capacity 1820 Max p.s.i 50